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Biomolecular analysis on disturbance of glomerular filtration at the early stage of diabetes

Research Project

Project/Area Number 23650278
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Biomedical engineering/Biological material science
Research InstitutionKawasaki Medical School

Principal Investigator

NAKAMOTO Hiroshi  川崎医科大学, 医学部, 助教 (10299183)

Co-Investigator(Kenkyū-buntansha) YADA Toyotaka  川崎医科大学, 医学部, 講師 (00210279)
小笠原 康夫  川崎医科大学, 医学部, 准教授 (10152365)
Co-Investigator(Renkei-kenkyūsha) OGASAWARA Yasuo  川崎医科大学, 医学部, 准教授 (10152365)
Project Period (FY) 2011 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2012: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2011: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywords糖尿病 / 糸球体濾過 / C-peptide, ポドサイト / スリット膜蛋白 / ネフリン / ポ ドシン / CD2AP / C-peptide / ポドサイト / ポドシン / スリットダイアフラム / 濾過
Research Abstract

We have visualised the early augmented glomerular filtration in-vivo that may be related to the development of diabetic nephropathy with albuminuria by multi-photon microscopy. We hypothesised that there are structural and component protein distributional changes, which may be associated with albuminuria.We used control rats and diabetic Wistar rats. After kidneys were extracted, slit membrane component proteins. Stained images of each component were binarised and the distributions of slit membrane proteins were analysed by area ratio. Area ratio was found decreasing linearly with diabetic duration. Amongst pair combinations of 3 proteins, the best correlation was between the diabetic duration and the area ratio of nephrin and podocin (r=0.871). This means discrepancy of slit membrane protein distribution deteriorates progressively.

Report

(3 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Research-status Report
  • Research Products

    (16 results)

All 2013 2012 2011 Other

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (14 results) Remarks (1 results)

  • [Journal Article] In Vivo Quantitative Visualization Analysis of the Effect of C-Peptide on Glomerular Hyperfiltration in Diabetic Rats by Using Multiphoton Microscopy2013

    • Author(s)
      Hiroshi Nakamoto, Fumihiko Kajiya
    • Journal Title

      Microcirculation

      Volume: 20 Issue: 5 Pages: 425-433

    • DOI

      10.1111/micc.12043

    • URL

      http://onlinelibrary.wiley.com/doi/10.1111/micc.12043

    • Related Report
      2012 Annual Research Report 2012 Final Research Report
    • Peer Reviewed
  • [Presentation] Widening of Interfoot-process Spaces in Early Diabetic Rats and C-peptide Effect on It2013

    • Author(s)
      Hiroshi Nakamoto
    • Organizer
      第77回日本循環器学会学術 集会
    • Place of Presentation
      横浜
    • Year and Date
      2013-03-16
    • Related Report
      2012 Final Research Report
  • [Presentation] Wide inter-footprocess area in a rat at the early stage of diabetes2013

    • Author(s)
      Hiroshi Nakamoto
    • Organizer
      日本微小循環学会
    • Place of Presentation
      東京
    • Year and Date
      2013-02-09
    • Related Report
      2012 Annual Research Report 2012 Final Research Report
  • [Presentation] Widening of Interfoot-process Spaces in Early Diabetic Rats and C-peptide Effect on It2013

    • Author(s)
      Hiroshi Nakamoto
    • Organizer
      The Japanese Circulation Society
    • Place of Presentation
      Yokohama, Japan
    • Related Report
      2012 Annual Research Report
  • [Presentation] Distributional Changes of Glomerular Slit Membrane Components and Widening of Inter-foot Process Spaces in Early Diabetic Rats2012

    • Author(s)
      Hiroshi Nakamoto
    • Organizer
      American Heart Association
    • Place of Presentation
      Los angeles, USA
    • Year and Date
      2012-11-07
    • Related Report
      2012 Final Research Report
  • [Presentation] Quantitative analysis on structural change of slit membrane proteins2012

    • Author(s)
      Hiroshi Nakamoto
    • Organizer
      第51回日本生体医工学会
    • Place of Presentation
      福岡
    • Year and Date
      2012-05-12
    • Related Report
      2012 Final Research Report
  • [Presentation] Progressivedissociation of nephrin and podocin, glomerular slit membrane proteins, in distribution at the early stage of diabetes2012

    • Author(s)
      Hiroshi Nakamoto
    • Organizer
      第37回日本微小循環学会
    • Place of Presentation
      盛岡
    • Year and Date
      2012-03-17
    • Related Report
      2012 Final Research Report
  • [Presentation] Structural Change〓On Glomerular Filtration of Early DiabeticRats2012

    • Author(s)
      Hiroshi Nakamoto
    • Organizer
      第76回日本循環器学会学術集会
    • Place of Presentation
      福岡
    • Year and Date
      2012-03-16
    • Related Report
      2012 Final Research Report
  • [Presentation] Quantitative analysis on structural change of slit membrane proteins2012

    • Author(s)
      Hiroshi Nakamoto
    • Organizer
      日本生体医工学会
    • Place of Presentation
      福岡
    • Related Report
      2012 Annual Research Report
  • [Presentation] Distributional Changes of Glomerular Slit Membrane Components and Widening of Inter-foot Process Spaces in Early Diabetic Rats2012

    • Author(s)
      Hiroshi Nakamoto
    • Organizer
      American Heart Association
    • Place of Presentation
      Los Angeles, U.S.A.
    • Related Report
      2012 Annual Research Report
  • [Presentation] Structural Change? On Glomerular Filtration of Early Diabetic Rats2012

    • Author(s)
      Hiroshi Nakamoto
    • Organizer
      第76回日本循環器学会学術集会
    • Place of Presentation
      福岡
    • Related Report
      2011 Research-status Report
  • [Presentation] Progressive dissociation of nephrin and podocin, glomerular slit membrane proteins, in distribution at the early stage of diabetes2012

    • Author(s)
      Hiroshi Nakamoto
    • Organizer
      第37回日本微小循環学会
    • Place of Presentation
      盛岡
    • Related Report
      2011 Research-status Report
  • [Presentation] GlomerularHyperfiltration and Slit MembraneProteins2011

    • Author(s)
      Hiroshi Nakamoto
    • Organizer
      第50回日本生体医工学会大会
    • Place of Presentation
      東京
    • Year and Date
      2011-04-29
    • Related Report
      2012 Final Research Report
  • [Presentation] Glomerular Filtration at the Early Stage of Diabetes2011

    • Author(s)
      Hiroshi Nakamoto
    • Organizer
      Experimental Biology 2011
    • Place of Presentation
      Washington, USA
    • Related Report
      2011 Research-status Report
  • [Presentation] Glomerular Hyperfiltration and Slit Membrane Proteins2011

    • Author(s)
      Hiroshi Nakamoto
    • Organizer
      第50回日本生体医工学会大会
    • Place of Presentation
      東京
    • Related Report
      2011 Research-status Report
  • [Remarks]

    • URL

      http://www.kawasaki-m.ac.jp/mw/call/teacher/08_nakamoto.php

    • Related Report
      2012 Final Research Report

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Published: 2011-08-05   Modified: 2019-07-29  

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